6RL SERIES OPERATION MANUAL
SECTION 7: REMOTE PROGRAMMING
Entire Contents Copyright
2018 by Adaptive Power Systems, Inc. (APS) • All Rights Reserved • No reproduction without written authorization from APS.
6RL Series Regenerative DC Load Operation Manual
Page 151 of 204
LOCAL = Unit is in LOCAL condition, which denies or
interrupts remote control. Usually actually manually on the
unit’s front panel.
7.12.8.2
INPut<B0>
This command is used to switch the DC load on or off. The main key word SOURCE is taken
from the SCPI standard and actually does not fit an energy sinking device, but is used for
that purpose regardless.
Query form:
INPut?
Value range:
ON, OFF
Examples:
INP˽1
Absolute short form. Switches the DC load on if remote
control is active.
INPUT?
Queries the condition of the DC input, which will be
returned as ON or OFF. Note that the input may be
switched off due to a unit alarm.
7.12.8.3
SYSTem:ERRor?
This command is used to read a single error or all errors from the unit’s internal SCPI error
queue. This queue only contains errors in relation to commands, i.e. wrong syntax, too high
values etc. It can not return any unit alarm. Those are usually queried from the unit by
reading bits of the status registers (see Status registers). You can chose either to query the
next error multiple times until it says “No error” or generally query all at once. After all
errors have been read from the buffer, it will be cleared.
The queue is of type FIFO (first in, first out). It means, that the first occurred error is put out
first when querying them.
Query form 1
SYSTem:ERRor?
Queries the last or next error
Query form 2:
SYSTem:ERRor:NEXT?
Queries the last or next error
Query form 3:
SYSTem:ERRor:ALL?
Queries all errors in the buffer (up to 5)
Example:
SYST:ERR?
Absolute short form. The unit replies to this query with a
string that first contains an error code (see error code list)
and second an error description, for example:
0,“No error“. This is returned every time no error is present
or after all error have been returned.
SYSTEM:ERROR:ALL?
This query will let the unit return up to five concatenated
errors in one string, separated by comma plus space.
Note: Querying errors with SYST:ERR? also clears bits related to unit alarms in register
QUEStion- able (see Status registers), but only if the alarm condition is "gone". This
is considered as acknowledgement by the user. Alarms that have been
acknowledged this way can then not be read from the register anymore.
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